CVE-2018-12243

moderate-risk
Published 2018-09-19

The Symantec Messaging Gateway product prior to 10.6.6 may be susceptible to a XML external entity (XXE) exploit, which is a type of issue where XML input containing a reference to an external entity is processed by a weakly configured XML parser. The attack uses file URI schemes or relative paths in the system identifier to access files that should not normally be accessible.

Do I need to act?

-
0.21% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
ADJACENT_NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Symantec

References (4)

Third Party Advisory http://www.securityfocus.com/bid/105330
Mitigation https://support.symantec.com/en_US/article.SYMSA1461.html
Third Party Advisory http://www.securityfocus.com/bid/105330
Mitigation https://support.symantec.com/en_US/article.SYMSA1461.html
33
/ 100
moderate-risk
Severity 27/34 · High
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal